fossilvs
MobbinMobbin is a library.
fossil scans the web apps you choose.
Your competitors, your own product. Capture their screens and flows whenever you want.
Your competitor. Captured on demand.
Start with a URL. Explore its screens and paths in your own workspace.
A reference from the curated library.
Search the apps and patterns Mobbin has curated, then explore their flows.
What do you need to research?
fossil is a Mobbin alternative for researching a specific web app: choose its URL and start a scan, even if it is missing from a design library. Mobbin is useful when you want to browse mobile and web design references across products, with recorded flows and interactive prototypes.
| Research task | fossil | Mobbin |
|---|---|---|
| Starting point | Submit an eligible web app URL. | Search a curated library of apps and patterns. |
| A specific competitor | Explore the accessible experience directly. | Use the available references if that product is included. |
| Following a journey | Inspect captured screens, states and their connections. | Browse recorded flows, videos and interactive prototypes. |
| Your own product | Scan your app and compare its retained captures over time. | Upload your own screenshots to collections alongside saved references. |
| Mobile research | Inspect web interfaces at supported viewports; no native mobile app scanning. | Browse mobile and web app references. |
| Availability | Depends on target eligibility, access, scan coverage and your plan. | Depends on the content in the library and your plan. |
Frequently asked questions
When should I choose fossil over Mobbin?
Choose fossil when you need to capture a particular web app, inspect its paths or compare its interface over time. Choose Mobbin when you want ready-made references across many products, including native mobile apps. You can use both for different parts of your research.
Can fossil capture any app?
fossil explores eligible HTTP(S) web apps in a hosted browser. It does not scan native iOS or Android apps, bypass logins, or guarantee every possible screen will be reached.
Can I try it before subscribing?
fossil offers one-time signup usage credits without a payment card. See Pricing for the current allowance, paid plans and retention terms.